Base for a tripod cane



FIG. 1 is a perspective top view of a base for a tripod cane of the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a perspective bottom view thereof.

The broken lines depict portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a base for a tripod cane, as shown and described. 